create Bribe the Prisoners.

Signed-off-by: Kazuki Kubo <kz@assaulter.org>
Merge branch 'develop' of github.com:assaulter/Procon_ruby into develop
add bribe the prisoners.

Signed-off-by: Kazuki Kubo <kz@assaulter.org>
GCJのsmallは解けた。

Signed-off-by: Kazuki Kubo <kz@assaulter.org>
Merge pull request #6 from assaulter/develop

GCJのsmallは解けたっぽい。